do i have a problem?
i have heard and seen several cases where cars have spun bearings or locked up after using seafoam....if its done frequently then im sure it probably wont hurt anything, but theres people who seafoam engines with high miles and bad maintenance and end up clogging their oil pickups with sludge and frying the motors due to no oil pressure...
i have heard of a couple cars spinning bearings shortly after adding seafoam to the oil as well, but i have no proof to back it up that the seafoam was the direct cause of failure in them...could have been coincidence
if it was meant to be in the oil, it would be in the oil straight out of the bottle....i dont believe in oil additives unless youre trying to hide a pre-existing issue such as a bad lifter etc
i have heard of a couple cars spinning bearings shortly after adding seafoam to the oil as well, but i have no proof to back it up that the seafoam was the direct cause of failure in them...could have been coincidence
if it was meant to be in the oil, it would be in the oil straight out of the bottle....i dont believe in oil additives unless youre trying to hide a pre-existing issue such as a bad lifter etc
2. if your car was properly maintained, you shouldnt need to seafoam it
carbon builds up over time and the seafoam helps to get rid of it.
After I put my 00' engine into my 96' I seafoamed it to see if it would smoke even though I fully cleaned everything.
Almost no smoke came out, it was as if I started it on a cold morning, that little.
a year and a half later I seafoamed it again and it produced quite a bit more smoke. Not as much as our Z or my 01' did but still enough to tell me that it had build up some gunk.
Seafoam works great in the gask and through the vacuum line. It also does its job at cleaning the internals but I think Seafoam says not to use it in the crankcase on cars with over 150k.
Now the thing with putting it in the crankcase...
Seafoam has a flashpoint of 55 degrees F which means that it will start to evaporate off once its opened on most days.
Marvels Mystery oil has a low 160 degree F flashpoint which means it evaporates quite quickly after the engine is up to temp.
Both of these items will help clean your engine but you will have to check your oil to know when to add more.
Thats why seafoam says that you can leave it in your oil.
Now of course mixing with oil may change the flashpoint, but I wouldnt just trust that it would evaporate off.
-Eric-
After I put my 00' engine into my 96' I seafoamed it to see if it would smoke even though I fully cleaned everything.
Almost no smoke came out, it was as if I started it on a cold morning, that little.
a year and a half later I seafoamed it again and it produced quite a bit more smoke. Not as much as our Z or my 01' did but still enough to tell me that it had build up some gunk.
Seafoam works great in the gask and through the vacuum line. It also does its job at cleaning the internals but I think Seafoam says not to use it in the crankcase on cars with over 150k.
Now the thing with putting it in the crankcase...
Seafoam has a flashpoint of 55 degrees F which means that it will start to evaporate off once its opened on most days.
Marvels Mystery oil has a low 160 degree F flashpoint which means it evaporates quite quickly after the engine is up to temp.
Both of these items will help clean your engine but you will have to check your oil to know when to add more.
Thats why seafoam says that you can leave it in your oil.
Now of course mixing with oil may change the flashpoint, but I wouldnt just trust that it would evaporate off.
-Eric-
) so some of that carbon can get carried out with the exhaust before mounting to the engine but not all of it does.
well i can agree with the 1st one but carbon is a natural byproduct of the way the fuel combusts and coats the engine with a layer of it. "gas' is basically just a mixture of heptane and octane 13/87 for regular 11/89 for mid and 9/91 or 7/93 for premium and they are hydrogen/carbon chains octane has 8 carbons and heptane has 7 carbons. yes carbon can infact burn but it takes a fusion process far beyond the capabilities of ANY engine on this planet to ever exist (for it to "burn" you have to make a reaction strong enough to break the carbon-carbon bonds, remind you of some other principal nukes mebe?
) so some of that carbon can get carried out with the exhaust before mounting to the engine but not all of it does.
) so some of that carbon can get carried out with the exhaust before mounting to the engine but not all of it does.like i said in my first response, i dont have any proof that the seafoam directly impacted the few cars ive seen had problems with it, perhaps it was coincidence...i personally dont feel safe putting anything in my oil...
it relates back to the OP because he has 80k miles, and if he has never used it before and never had it open to know if there are any sludge issues, he could potentially have some problems...just a precaution i suppose
like neotokyo said i wouldn't leave it in there but it's supposed to clean sludge thats only reason i put it in the crank case. personally the cars i've used it on gained some MPGs and the more performance oriented cars gained some more low end power my friends 88 GTA had i think 135,000 on it when we seafoamed it but i had him monitor the water and oil for a month to see if ANY was burning off at all. since it wasnt we sea foamed it and HOLY SH*T that thing smoked like CRAZY. gave him probably a good 20 extra low end ft lbs. granted it's not required to go in the oil which is good cause not all people like to put thing in there oil
ok guys i don't know if this could be my problem but tonight when i was running my car at night time with the hood open i noticed that the spark going from the coil pack to cylinder 4 and 6 was actually visible i could see the spark thru the wire and where the wire and plug meet so i don't know if thats bad or if that could be my problem any help with that coil plug and wires are new
im wondering if changing out your tranny fluid may have semi bleached your old tranny. With a high mileage tranny you should mix new and old fluid to avoid bleaching the gears. Thats what happened to my tranny when i installed my shift kit, all new fluid was put in and then i needed a rebuild. that could expain the sluggishness but it could also be you being paranoid and it just running a little rough because it is cold and not warmed up yet


